<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Please provide your name and affiliation in next messages.<div class=""><br class=""></div><div class="">The topic has been dealt with many times in the forum, see e.g.</div><div class=""><a href="http://qe-forge.org/pipermail/pw_forum/2009-November/089545.html" class="">http://qe-forge.org/pipermail/pw_forum/2009-November/089545.html</a></div><div class="">and many slides/tutorials available on the web.</div><div class=""><br class=""></div><div class="">By the way, the choice of ecutwfc depends on the pseudopotentials you use, not on the particular system size</div><div class=""><br class=""></div><div class="">giovanni</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 20 Jun 2017, at 16:04, ali mehdizadeh <<a href="mailto:ali.mehdizadeh.physics1992@gmail.com" class="">ali.mehdizadeh.physics1992@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class=""></div><div class="gmail_quote">---------- Forwarded message ----------<br class="">From: "ali mehdizadeh" <<a href="mailto:ali.mehdizadeh.physics1992@gmail.com" class="">ali.mehdizadeh.physics1992@gmail.com</a>><br class="">Date: Jun 11, 2017 1:48 PM<br class="">Subject: how to choose ecutwfc<br class="">To: <<a href="mailto:pw_forum@pwscf.org" class="">pw_forum@pwscf.org</a>><br class="">Cc: <br class=""><br type="attribution" class=""><div dir="ltr" class="">hello <div class="">ecutwfc are dependent to the particle size for example the difference between quantum dots 3 nm and bulk or ecutwfc just dependent to pseudopotentials .</div><div class="">thanks</div></div>
</div>
_______________________________________________<br class="">Pw_forum mailing list<br class=""><a href="mailto:Pw_forum@pwscf.org" class="">Pw_forum@pwscf.org</a><br class="">http://pwscf.org/mailman/listinfo/pw_forum</div></blockquote></div><br class=""><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">-- <br class=""><br class="">Giovanni Cantele, PhD<br class="">CNR-SPIN<br class="">c/o Dipartimento di Fisica<br class="">Universita' di Napoli "Federico II"<br class="">Complesso Universitario M. S. Angelo - Ed. 6<br class="">Via Cintia, I-80126, Napoli, Italy<br class="">e-mail: <a href="mailto:giovanni.cantele@spin.cnr.it" class="">giovanni.cantele@spin.cnr.it</a><br class="">Phone: +39 081 676910<br class="">Skype contact: giocan74<br class=""><br class="">ResearcherID: <a href="http://www.researcherid.com/rid/A-1951-2009" class="">http://www.researcherid.com/rid/A-1951-2009</a><br class="">Web page: <a href="http://people.fisica.unina.it/~cantele" class="">http://people.fisica.unina.it/~cantele</a><br class=""></div>
</div>
<br class=""></div></body></html>